[src/trunk]: src/external/bsd/flex fix the scanner build and regen

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/39d2b9e11fe5
branches:  trunk
changeset: 350036:39d2b9e11fe5
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Jan 02 18:33:22 2017 +0000

description:
fix the scanner build and regen

diffstat:

 external/bsd/flex/bin/Makefile        |    4 +-
 external/bsd/flex/dist/src/initscan.c |  937 +++++++++++++++++----------------
 2 files changed, 486 insertions(+), 455 deletions(-)

diffs (truncated from 2796 to 300 lines):

diff -r 9732c1f0e152 -r 39d2b9e11fe5 external/bsd/flex/bin/Makefile
--- a/external/bsd/flex/bin/Makefile    Mon Jan 02 18:15:55 2017 +0000
+++ b/external/bsd/flex/bin/Makefile    Mon Jan 02 18:33:22 2017 +0000
@@ -1,5 +1,5 @@
 #      from: @(#)Makefile      5.4 (Berkeley) 6/24/90
-#      $NetBSD: Makefile,v 1.10 2017/01/02 17:45:26 christos Exp $
+#      $NetBSD: Makefile,v 1.11 2017/01/02 18:33:22 christos Exp $
 #
 # By default, flex will be configured to generate 8-bit scanners only if the
 # -8 flag is given.  If you want it to always generate 8-bit scanners, add
@@ -55,7 +55,7 @@
 MLINKS=        flex.1 lex.1 
 
 skel.c: flex.skl mkskel.sh flexint.h tables_shared.h
-       ${TOOL_SED} -e 's/m4_/m4postproc_/g' -e 's/m4preproc_/m4_/g' \
+       ${TOOL_SED} -e 's/4_/a4_/g; s/m4preproc_/m4_/g' \
            ${IDIST}/flex.skl | ${TOOL_M4} -I${IDIST} -P \
            -DFLEX_MAJOR_VERSION=`echo ${VERSION} | cut -f 1 -d .` \
            -DFLEX_MINOR_VERSION=`echo ${VERSION} | cut -f 2 -d .` \
diff -r 9732c1f0e152 -r 39d2b9e11fe5 external/bsd/flex/dist/src/initscan.c
--- a/external/bsd/flex/dist/src/initscan.c     Mon Jan 02 18:15:55 2017 +0000
+++ b/external/bsd/flex/dist/src/initscan.c     Mon Jan 02 18:33:22 2017 +0000
@@ -1,5 +1,5 @@
 
-#line 3 "<stdout>"
+#line 2 "<stdout>"
 
 #define  YY_INT_ALIGNED short int
 
@@ -8,11 +8,89 @@
 #define FLEX_SCANNER
 #define YY_FLEX_MAJOR_VERSION 2
 #define YY_FLEX_MINOR_VERSION 6
-#define YY_FLEX_SUBMINOR_VERSION 0
+#define YY_FLEX_SUBMINOR_VERSION 3
 #if YY_FLEX_SUBMINOR_VERSION > 0
 #define FLEX_BETA
 #endif
 
+    #define yy_create_buffer yy_create_buffer
+
+    #define yy_delete_buffer yy_delete_buffer
+
+    #define yy_scan_buffer yy_scan_buffer
+
+    #define yy_scan_string yy_scan_string
+
+    #define yy_scan_bytes yy_scan_bytes
+
+    #define yy_init_buffer yy_init_buffer
+
+    #define yy_flush_buffer yy_flush_buffer
+
+    #define yy_load_buffer_state yy_load_buffer_state
+
+    #define yy_switch_to_buffer yy_switch_to_buffer
+
+    #define yypush_buffer_state yypush_buffer_state
+
+    #define yypop_buffer_state yypop_buffer_state
+
+    #define yyensure_buffer_stack yyensure_buffer_stack
+
+    #define yylex yylex
+
+    #define yyrestart yyrestart
+
+    #define yylex_init yylex_init
+
+    #define yylex_init_extra yylex_init_extra
+
+    #define yylex_destroy yylex_destroy
+
+    #define yyget_debug yyget_debug
+
+    #define yyset_debug yyset_debug
+
+    #define yyget_extra yyget_extra
+
+    #define yyset_extra yyset_extra
+
+    #define yyget_in yyget_in
+
+    #define yyset_in yyset_in
+
+    #define yyget_out yyget_out
+
+    #define yyset_out yyset_out
+
+    #define yyget_leng yyget_leng
+
+    #define yyget_text yyget_text
+
+    #define yyget_lineno yyget_lineno
+
+    #define yyset_lineno yyset_lineno
+
+    #define yywrap yywrap
+
+    #define yyalloc yyalloc
+
+    #define yyrealloc yyrealloc
+
+    #define yyfree yyfree
+
+    #define yytext yytext
+
+    #define yyleng yyleng
+
+    #define yyin yyin
+
+    #define yyout yyout
+
+    #define yy_flex_debug yy_flex_debug
+
+    #define yylineno yylineno
+
 /* First, we deal with  platform-specific or compiler-specific issues. */
 
 /* begin standard C headers. */
@@ -26,7 +104,7 @@
 
 /* end standard C headers. */
 
-/*     $NetBSD: initscan.c,v 1.3 2017/01/02 17:45:27 christos Exp $    */
+/*     $NetBSD: initscan.c,v 1.4 2017/01/02 18:33:22 christos Exp $    */
 
 /* flex integer type definitions */
 
@@ -92,56 +170,38 @@
 
 #endif /* ! FLEXINT_H */
 
-#ifdef __cplusplus
-
-/* The "const" storage-class-modifier is valid. */
-#define YY_USE_CONST
-
-#else  /* ! __cplusplus */
-
-/* C99 requires __STDC__ to be defined as 1. */
-#if defined (__STDC__)
-
-#define YY_USE_CONST
-
-#endif /* defined (__STDC__) */
-#endif /* ! __cplusplus */
-
-#ifdef YY_USE_CONST
+/* TODO: this is always defined, so inline it */
 #define yyconst const
+
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define yynoreturn __attribute__((__noreturn__))
 #else
-#define yyconst
+#define yynoreturn
 #endif
 
 /* Returned upon end-of-file. */
 #define YY_NULL 0
 
-/* Promotes a possibly negative, possibly signed char to an unsigned
- * integer for use as an array index.  If the signed char is negative,
- * we want to instead treat it as an 8-bit unsigned char, hence the
- * double cast.
+/* Promotes a possibly negative, possibly signed char to an
+ *   integer in range [0..255] for use as an array index.
  */
-#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+#define YY_SC_TO_UI(c) ((YY_CHAR) (c))
 
 /* Enter a start condition.  This macro really ought to take a parameter,
  * but we do it the disgusting crufty way forced on us by the ()-less
  * definition of BEGIN.
  */
 #define BEGIN (yy_start) = 1 + 2 *
-
 /* Translate the current start state into a value that can be later handed
  * to BEGIN to return to the state.  The YYSTATE alias is for lex
  * compatibility.
  */
 #define YY_START (((yy_start) - 1) / 2)
 #define YYSTATE YY_START
-
 /* Action number for EOF rule of a given start state. */
 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
-
 /* Special action meaning "start processing a new file". */
 #define YY_NEW_FILE yyrestart(yyin  )
-
 #define YY_END_OF_BUFFER_CHAR 0
 
 /* Size of default input buffer. */
@@ -171,14 +231,14 @@
 typedef size_t yy_size_t;
 #endif
 
-extern yy_size_t yyleng;
+extern int yyleng;
 
 extern FILE *yyin, *yyout;
 
 #define EOB_ACT_CONTINUE_SCAN 0
 #define EOB_ACT_END_OF_FILE 1
 #define EOB_ACT_LAST_MATCH 2
-
+    
     #define YY_LESS_LINENO(n)
     #define YY_LINENO_REWIND_TO(ptr)
     
@@ -195,7 +255,6 @@
                YY_DO_BEFORE_ACTION; /* set up yytext again */ \
                } \
        while ( 0 )
-
 #define unput(c) yyunput( c, (yytext_ptr)  )
 
 #ifndef YY_STRUCT_YY_BUFFER_STATE
@@ -210,12 +269,12 @@
        /* Size of input buffer in bytes, not including room for EOB
         * characters.
         */
-       yy_size_t yy_buf_size;
+       int yy_buf_size;
 
        /* Number of characters read into yy_ch_buf, not including EOB
         * characters.
         */
-       yy_size_t yy_n_chars;
+       int yy_n_chars;
 
        /* Whether we "own" the buffer - i.e., we know we created it,
         * and can realloc() it to grow it, and should free() it to
@@ -238,7 +297,7 @@
 
     int yy_bs_lineno; /**< The line count. */
     int yy_bs_column; /**< The column count. */
-    
+
        /* Whether to try to fill the input buffer when we reach the
         * end of it.
         */
@@ -266,7 +325,7 @@
 /* Stack of input buffers. */
 static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
 static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
-static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
+static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */
 
 /* We provide macros for accessing buffer states in case in the
  * future we want to put the buffer states in a more general
@@ -277,7 +336,6 @@
 #define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
                           ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
                           : NULL)
-
 /* Same as previous macro, but useful when we know that the buffer stack is not
  * NULL or when we need an lvalue. For internal use only.
  */
@@ -285,11 +343,11 @@
 
 /* yy_hold_char holds the character lost when yytext is formed. */
 static char yy_hold_char;
-static yy_size_t yy_n_chars;           /* number of characters read into yy_ch_buf */
-yy_size_t yyleng;
+static int yy_n_chars;         /* number of characters read into yy_ch_buf */
+int yyleng;
 
 /* Points to current character in buffer. */
-static char *yy_c_buf_p = (char *) 0;
+static char *yy_c_buf_p = NULL;
 static int yy_init = 0;                /* whether we need to initialize */
 static int yy_start = 0;       /* start state number */
 
@@ -298,30 +356,28 @@
  */
 static int yy_did_buffer_switch_on_eof;
 
-void yyrestart (FILE *input_file  );
-void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
-YY_BUFFER_STATE yy_create_buffer (FILE *file,int size  );
-void yy_delete_buffer (YY_BUFFER_STATE b  );
-void yy_flush_buffer (YY_BUFFER_STATE b  );
-void yypush_buffer_state (YY_BUFFER_STATE new_buffer  );
-void yypop_buffer_state (void );
-
-static void yyensure_buffer_stack (void );
-static void yy_load_buffer_state (void );
-static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file  );
-
+void yyrestart ( FILE *input_file  );
+void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size  );
+void yy_delete_buffer ( YY_BUFFER_STATE b  );
+void yy_flush_buffer ( YY_BUFFER_STATE b  );
+void yypush_buffer_state ( YY_BUFFER_STATE new_buffer  );
+void yypop_buffer_state ( void );
+
+static void yyensure_buffer_stack ( void );